hdf5/src/H5Ftest.c

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*-------------------------------------------------------------------------
 *
 * Created:		H5Ftest.c
 *
 * Purpose:		File testing routines.
 *
 *-------------------------------------------------------------------------
 */

/****************/
/* Module Setup */
/****************/

#include "H5Fmodule.h" /* This source code file is part of the H5F module  */
#define H5F_TESTING    /* Suppress warning about H5F testing funcs         */
#define H5G_FRIEND     /* Suppress error about including H5Gpkg.h          */
#define H5G_TESTING    /* Suppress warning about H5G testing funcs         */
#define H5SM_FRIEND    /* Suppress error about including H5SMpkg.h         */
#define H5SM_TESTING   /* Suppress warning about H5SM testing funcs        */

/***********/
/* Headers */
/***********/
#include "H5private.h"   /* Generic Functions                        */
#include "H5CXprivate.h" /* API Contexts                             */
#include "H5Eprivate.h"  /* Error handling                           */
#include "H5Fpkg.h"      /* File access                              */
#include "H5Gpkg.h"      /* Groups                                   */
#include "H5Iprivate.h"  /* IDs                                      */
#include "H5SMpkg.h"     /* Shared object header messages            */
#include "H5VLprivate.h" /* Virtual Object Layer                     */

/****************/
/* Local Macros */
/****************/

/******************/
/* Local Typedefs */
/******************/

/********************/
/* Package Typedefs */
/********************/

/********************/
/* Local Prototypes */
/********************/

/*********************/
/* Package Variables */
/*********************/

/*****************************/
/* Library Private Variables */
/*****************************/

/*******************/
/* Local Variables */
/*******************/

/*-------------------------------------------------------------------------
 * Function:    H5F__get_sohm_mesg_count_test
 *
 * Purpose:     Retrieve the number of shared messages of a given type in a file
 *
 * Return:      SUCCEED/FAIL
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5F__get_sohm_mesg_count_test(hid_t file_id, unsigned type_id, size_t *mesg_count)
{
    H5F_t *file;                     /* File info */
    bool   api_ctx_pushed = false;   /* Whether API context pushed */
    herr_t ret_value      = SUCCEED; /* Return value */

    FUNC_ENTER_PACKAGE

    /* Check arguments */
    if (NULL == (file = (H5F_t *)H5VL_object_verify(file_id, H5I_FILE)))
        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file");

    /* Push API context */
    if (H5CX_push() < 0)
        HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set API context");
    api_ctx_pushed = true;

    /* Retrieve count for message type */
    if (H5SM__get_mesg_count_test(file, type_id, mesg_count) < 0)
        HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve shared message count");

done:
    if (api_ctx_pushed && H5CX_pop(false) < 0)
        HDONE_ERROR(H5E_FILE, H5E_CANTRESET, FAIL, "can't reset API context");

    FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F__get_sohm_mesg_count_test() */

/*-------------------------------------------------------------------------
 * Function:    H5F__check_cached_stab_test
 *
 * Purpose:     Check that a file's superblock contains a cached symbol
 *              table entry, that the entry matches that in the root
 *              group's object header, and check that the addresses are
 *              valid.
 *
 * Return:      SUCCEED/FAIL
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5F__check_cached_stab_test(hid_t file_id)
{
    H5F_t *file;                     /* File info */
    bool   api_ctx_pushed = false;   /* Whether API context pushed */
    herr_t ret_value      = SUCCEED; /* Return value */

    FUNC_ENTER_PACKAGE

    /* Check arguments */
    if (NULL == (file = (H5F_t *)H5VL_object_verify(file_id, H5I_FILE)))
        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file");

    /* Push API context */
    if (H5CX_push() < 0)
        HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set API context");
    api_ctx_pushed = true;

    /* Verify the cached stab info */
    if (H5G__verify_cached_stab_test(H5G_oloc(file->shared->root_grp), file->shared->sblock->root_ent) < 0)
        HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to verify cached symbol table info");

done:
    if (api_ctx_pushed && H5CX_pop(false) < 0)
        HDONE_ERROR(H5E_FILE, H5E_CANTRESET, FAIL, "can't reset API context");

    FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F__check_cached_stab_test() */

/*-------------------------------------------------------------------------
 * Function:    H5F__get_maxaddr_test
 *
 * Purpose:     Retrieve the maximum address for a file
 *
 * Return:      SUCCEED/FAIL
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5F__get_maxaddr_test(hid_t file_id, haddr_t *maxaddr)
{
    H5F_t *file;                /* File info */
    herr_t ret_value = SUCCEED; /* Return value */

    FUNC_ENTER_PACKAGE

    /* Check arguments */
    if (NULL == (file = (H5F_t *)H5VL_object_verify(file_id, H5I_FILE)))
        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file");

    /* Retrieve maxaddr for file */
    *maxaddr = file->shared->maxaddr;

done:
    FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F__get_maxaddr_test() */

/*-------------------------------------------------------------------------
 * Function:    H5F__get_sbe_addr_test
 *
 * Purpose:     Retrieve the address of a superblock extension's object header
 *              for a file
 *
 * Return:      SUCCEED/FAIL
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5F__get_sbe_addr_test(hid_t file_id, haddr_t *sbe_addr)
{
    H5F_t *file;                /* File info */
    herr_t ret_value = SUCCEED; /* Return value */

    FUNC_ENTER_PACKAGE

    /* Check arguments */
    if (NULL == (file = (H5F_t *)H5VL_object_verify(file_id, H5I_FILE)))
        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file");

    /* Retrieve maxaddr for file */
    *sbe_addr = file->shared->sblock->ext_addr;

done:
    FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F__get_sbe_addr_test() */

/*-------------------------------------------------------------------------
 * Function:    H5F__same_file_test
 *
 * Purpose:     Check if two file IDs refer to the same underlying file.
 *
 * Return:      SUCCEED/FAIL
 *
 *-------------------------------------------------------------------------
 */
htri_t
H5F__same_file_test(hid_t file_id1, hid_t file_id2)
{
    H5F_t *file1, *file2;    /* File info */
    htri_t ret_value = FAIL; /* Return value */

    FUNC_ENTER_PACKAGE

    /* Check arguments */
    if (NULL == (file1 = (H5F_t *)H5VL_object_verify(file_id1, H5I_FILE)))
        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file");
    if (NULL == (file2 = (H5F_t *)H5VL_object_verify(file_id2, H5I_FILE)))
        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file");

    /* If they are using the same underlying "shared" file struct, they are the same file */
    ret_value = (file1->shared == file2->shared);

done:
    FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F__same_file_test() */

/*-------------------------------------------------------------------------
 * Function:    H5F__reparse_file_lock_variable_test
 *
 * Purpose:     Re-parse the file locking environment variable.
 *
 *              Since getenv(3) is fairly expensive, we only parse it once,
 *              when the library opens. This test function is used to
 *              re-parse the environment variable after we've changed it
 *              with setnev(3).
 *
 * Return:      SUCCEED/FAIL
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5F__reparse_file_lock_variable_test(void)
{
    herr_t ret_value = SUCCEED;

    FUNC_ENTER_PACKAGE

    /* Check the file locking environment variable */
    if (H5F__parse_file_lock_env_var(&use_locks_env_g, &ignore_disabled_locks_g) < 0)
        HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to parse file locking environment variable");

done:
    FUNC_LEAVE_NOAPI(ret_value)
} /* end H5F__reparse_file_lock_variable_test() */